Gill Men’s Pole VaultAmerican record holder Brad Walker will compete for the seventh U.S. vault title of his career and his first since a pelvis injury in 2009 kept him from competing in the World Championships. Walker’s competition will be tight with two-time Olympian Derek Miles, 2011 NCAA indoor and outdoor champion Scott Roth and 2009 U.S. indoor champion Jeremy Scott all tied atop the U.S. rankings at 5.72m/18-9.25.